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Page Title: g. Compressor removal
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TM 9-4120-389-14 g. Compressor removal (1) Tag and remove leads. WARNING Serious  injury  could  occur  if  heavy  equipment  is  moved/lifted  without  sufficient personnel to do the job.  Use proper physical lifting procedures or use a suitable lifting  device  or  dolly.    Wear  safety  shoes,  gloves  and  other  suitable  protective clothing. WARNING DO NOT LIFT without holding unit in upright position.  Otherwise, unit will fall over and could cause injury to personnel. NOTE The compressor is mounted to the casing base by four cap screws that are inserted from the underside of the base.  In order to remove the compressor, it is necessary that the entire air conditioner be raised and placed on blocks of sufficient height to allow access to these bolts from below the base. (2) Attach an overhead hoist to the four lifting rings on each side of the cabinet, using two slings and a spreader bar. (3) Raise the cabinet and place it on blocks at least four inches high.  Be sure the blocks do not obstruct the holes in the base through which the compressor mounting cap screws must be accessed. WARNING All  refrigerant  -22  must  be  discharged  from  system  before  attempting  to  remove compressor. (4) Discharge the refrigeration system per para.  5-3. (5) Unwrap the insulation from the suction tube so the joint at the compressor is exposed. 5-71

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